Assignee
DAI-ICHI HIGH FREQUENCY CO LTD
JP·19 granted patents·2 pending applications·138 citations·filing 1980–2020
Top patents by PatentIndex Score
21 records- 0187US4442331AMethod and apparatus of induction heating a metallic elongated material having different thickness sectionsDAI ICHI HIGH FREQUENCY CO LTD·Filed 1982·Granted Apr 10, 1984·25 cites·14 claims
- 0277US7297908B2Removing method of tubeDAI ICHI HIGH FREQUENCY CO LTD·Filed 2005·Granted Nov 20, 2007·9 cites·7 claims
- 0376US8042498B2Superheated steam generatorDAI ICHI HIGH FREQUENCY CO LTD·Filed 2006·Granted Oct 25, 2011·12 cites·7 claims
- 0476US7513061B2Sludge dehydrating processor for converting sludge including organic substance into resources of low water contentDAI ICHI HIGH FREQUENCY CO LTD·Filed 2006·Granted Apr 7, 2009·11 cites·15 claims
- 0574US7169480B2Clad pipeDAI ICHI HIGH FREQUENCY CO LTD·Filed 2005·Granted Jan 30, 2007·12 cites·18 claims
- 0673US4412442AMethod for bending a metal pipeDAI ICHI HIGH FREQUENCY CO LTD·Filed 1980·Granted Nov 1, 1983·23 cites·8 claims
- 0771US10661248B2Ferromagnetic-particle manufacturing apparatusDAI ICHI HIGH FREQUENCY CO LTD·Filed 2019·Granted May 26, 2020·0 cites·8 claims
- 0868US10661247B2Ferromagnetic-particle manufacturing apparatusDAI ICHI HIGH FREQUENCY CO LTD·Filed 2019·Granted May 26, 2020·0 cites·8 claims
- 0964US11839009B2Portable induction heating device for coating removalDAI ICHI HIGH FREQUENCY CO LTD·Filed 2016·Granted Dec 5, 2023·2 cites·5 claims
- 1064US4604813AApparatus for dimensional inspection of a pipe spool, or for making or cutting and finishing at its both endsDAI ICHI HIGH FREQUENCY CO LTD·Filed 1985·Granted Aug 12, 1986·25 cites·12 claims
- 1161US2016296906A1Ferromagnetic-particle manufacturing apparatusDAI-ICHI HIGH FREQUENCY CO LTD·Filed 2014·Application pending·0 cites
- 1255US11365458B2Post-heating treatment device and post-heating treatment methodDAI ICHI HIGH FREQUENCY CO LTD·Filed 2017·Granted Jun 21, 2022·0 cites·5 claims
- 1353US6778057B2Inductor for heating inner-circumference of holeDAI ICHI HIGH FREQUENCY CO LTD·Filed 2002·Granted Aug 17, 2004·2 cites·25 claims
- 1453US2018133682A1Ferromagnetic-particle manufacturing apparatusDAI ICHI HIGH FREQUENCY CO LTD·Filed 2018·Application pending·0 cites
- 1549US10576297B2Magnetic flux irradiation devices and componentsDAI ICHI HIGH FREQUENCY CO LTD·Filed 2014·Granted Mar 3, 2020·0 cites·13 claims
- 1648US12404576B2System and method of performing a metal coating process using induction heating techniquesDAI ICHI HIGH FREQUENCY CO LTD·Filed 2020·Granted Sep 2, 2025·0 cites·4 claims
- 1743US11053565B2Post-heating treatment device and post-heating treatment methodDAI ICHI HIGH FREQUENCY CO LTD·Filed 2017·Granted Jul 6, 2021·0 cites·7 claims
- 1843US4923730AAnti-fouling surface structure, anti-fouling covering material and method of planting ribbons for producing anti-fouling surface structure and covering materialDAI ICHI HIGH FREQUENCY CO LTD·Filed 1988·Granted May 8, 1990·12 cites·7 claims
- 1942US10342989B2Magnetic flux irradiation devices and componentsDAI ICHI HIGH FREQUENCY CO LTD·Filed 2014·Granted Jul 9, 2019·0 cites·19 claims
- 2040US4479372AMethod of manufacturing metallic bent pipeDAI ICHI HIGH FREQUENCY CO LTD·Filed 1983·Granted Oct 30, 1984·5 cites·12 claims
- 2126US7807273B2Alloy-coated boiler part and method of welding self-fluxing alloy-coated boiler partDAI ICHI HIGH FREQUENCY CO LTD·Filed 2005·Granted Oct 5, 2010·0 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →